Bio sg 4
Plants that have tabt have a distinct haploid stage and diploid stage exhibit:
Alternation generations
The haploid gametophytes produce male gametangia known as:
Antheridia
Gametophytes also produce female gametangia known as:
Ascogonia
What's an example of a plant disease caused by basiodiomycete
Wheat rust
Which vascular tissue in both gymnosperms and flowering plants is for conducting water and dissolved minerals?
Xylem
The most diverse, successful, and familiar group of plants today are the:
angiosperms
Some liverworts reproduce asexually by forming tiny balls of tissue called:
gemmae
A plant with parallel veins and floral parts in threes or multiples of three would be classified as a:
monocot
Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as:
monoecious
What are interesting research plants for studies in genetics because they are polyploids and have multiple sets of chromosomes?
Ferns
Lichens reproduce mainly by asexual means, usually by which of the following
Fragmentation
The Sori of most ferns are found on which pet of the plant
Fronds
A flower that has sepals, petals, and only stamen but lacks carpels is known as
Imperfect and incomplete
A key step in the evolution of vascular plants was the ability to produce _____, a strengthening polymer in the walls of cells that provide support and conduction.
Lignin
The genus pinus, by far the largest genus in the conifers, consists of about how many species
100
The hypha, a filament that makes up the vegetative body of most fungi, serves which of the following functions
Absorb nutrients
Mushrooms tabt we eat are technically referred to as
Basidiocarps
Which is an example of a member of phylum zygomycota?
Black bread mold
The cell wall of fungi are composed of
Cellulose
Which of the following is the structural and molecular data that indicate that land plants probably descended from a group of green algae?
Charophytes
Like fungi churros cell walls contain which of the following
Chitin
Which plants generally have leaves called needles that are long, narrow, tough, and leathery?
Conifers
In most developing eudicot seeds, the primary source of nutritive material is in the:
Endosperm
The haploid portion of the Life Cycle is called the _____ because it gives rise to haploid gametes by mitosis
Gamete fight gen
Which generation is significantly reduced in size and entirely dependent on the sporophyte generation?
Gametophyte
How do mycorrhiza benefit plants
Increase surface area of roots
Seed plants produce ovules, each of which is a megasporangium surrounded by
Integument
The gametophyte is the dominant stage in life cycle for which plant groups?
Liberal works
When a moss spore lands in a suitable spot, it germinates and grows into a filament of cells called a:
Megaspore
What's an example of a monocot
Onions
Which part of a flowering plant is the immature male gametophyte
Pollen grains
Each individual gametophyte plant has tiny, hair like absorptive structures known as:
Rhizoids
After fertilization in angiosperms, what does the ovule develop into
Seed
Why are seeds reproductively superior to spores?
Seeds contain a young plant and also are protected by a seed coat
Modern botanists think that all plants evolved from a common ancestor, an ancient green algae. What is the best explanation for this hypothesis?
Share biochemical and metabolic traits with algae
Why are mosses and liverworts limited in size
Vascular tissue
How are the sperm of moss transported to the archegonia?
Water;insects
How is pollen dispersed?
Wind
Which vascular tissue is responsible for conducting water and dissolved minerals in plants?
Xylem
Which unicellular fungus is probably in most kitchens
Yeast
The sac fungi are characterized by sexual reproductive structures called
asci
Yeasts reproduce asexually by
budding
What do the large female cones of a pine tree contain?
megasporangia
What type of leaf veination do eudicots have
Netted
Which is the gametophyte form of most liverworts?
thallus
Allomyces has an unusual life cycle in that it spends part of its life as a multicellular haploid thallus and part as a multicellular diploid thallus. This life cycle is known as which of the following?
Alternation generations
In a fungus, a complex multicellular reproductive structure is called a(n)
Fruiting body
Which of the following phyla is unusual b/c it's composed of a single species
Ginkgophyte
Which plant has a jointed hollow stem with reduced megaphylls?
Horse tails
As a seed develops from an ovule, the ovule wall enlarges and develops into a:
Ovary
What's the function of the sepal of a flowering plant?
Protect flower bud
Meiosis occurs forming spores within which structure
Sporangia
What does each male cone's leaflike scales tabt bear sporangia on the underside consist of?
Spore fields
When two gametes fuse, the diploid portion of the life cycle is called _____
Spore fight
The name conifer comes from the reproductive parts of conifers as they have separate male and female reproductive parts in different locations on the same plant. What's the technical name for the structures bearing these reproductive parts?
Stromboli
The endosperm of an angiosperm seed is typically
Triploid
The club fungi typically reproduce by producing:
basilisk
Many seedless plants produce spores of one morphological type, which is referred to as:
homospory
______ are small leaves with a single vascular strand.
microphylls
in most fungi, hyphae are divided into cells by these
septa
When bread gets moldy with visible black or blue spots, you are looking at masses of the colored:
spores
What is the function of the phloem in plants?
transports food(sugars and amino acids)
The gametophyte generation of ferns is the:
Pro thallus
